The Oakley Plaintiff Sunglasses take the time-honored aviator look to a new heights with dimensional stem detailing and the mechanics of titanium Mono Shock hinges. The engineering was inspired by the leaf springs of performance racing machines and it allows the stems to hyper flex when necessary. That means this aviator can handle life's turbulence, so it's more than just a new take on a classic look. Old aviators had a flat look, the Plaintiff has an 8.75 base curvature, which means the lenses are contoured for a better look and better seeing.